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データを開く
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基本情報
| 登録情報 | データベース: PDB / ID: 9dim | ||||||||||||||||||||||||
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| タイトル | Q23.MD39 in Complex with Fab from antibody 35O22 | ||||||||||||||||||||||||
要素 |
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キーワード | VIRAL PROTEIN/IMMUNE SYSTEM / Antibody / Complex / VIRAL PROTEIN / VIRAL PROTEIN-IMMUNE SYSTEM complex | ||||||||||||||||||||||||
| 機能・相同性 | 機能・相同性情報symbiont-mediated perturbation of host defense response / positive regulation of plasma membrane raft polarization / positive regulation of receptor clustering / host cell endosome membrane / clathrin-dependent endocytosis of virus by host cell / viral protein processing / fusion of virus membrane with host plasma membrane / fusion of virus membrane with host endosome membrane / viral envelope / virion attachment to host cell ...symbiont-mediated perturbation of host defense response / positive regulation of plasma membrane raft polarization / positive regulation of receptor clustering / host cell endosome membrane / clathrin-dependent endocytosis of virus by host cell / viral protein processing / fusion of virus membrane with host plasma membrane / fusion of virus membrane with host endosome membrane / viral envelope / virion attachment to host cell / host cell plasma membrane / virion membrane / structural molecule activity / membrane 類似検索 - 分子機能 | ||||||||||||||||||||||||
| 生物種 | ![]() Human immunodeficiency virus 1 (ヒト免疫不全ウイルス) Homo sapiens (ヒト) | ||||||||||||||||||||||||
| 手法 | 電子顕微鏡法 / 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 3.19 Å | ||||||||||||||||||||||||
データ登録者 | Lin, Z.J. / Cui, J. / Du, J. / Habib, R. / Kulp, D. / Pallesen, J. | ||||||||||||||||||||||||
| 資金援助 | 米国, 1件
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引用 | ジャーナル: bioRxiv / 年: 2025タイトル: Deep Mining of the Human Antibody Repertoire Identifies Frequent and Genetically Diverse CDRH3 Topologies Targetable by Vaccination. 著者: Rumi Habib / Shahlo O Solieva / Zi Jie Lin / Sukanya Ghosh / Kelly Bayruns / Maya Singh / Colby J Agostino / Nicholas J Tursi / Kirsten J Sowers / Jinwei Huang / Ryan S Roark / Mansi Purwar / ...著者: Rumi Habib / Shahlo O Solieva / Zi Jie Lin / Sukanya Ghosh / Kelly Bayruns / Maya Singh / Colby J Agostino / Nicholas J Tursi / Kirsten J Sowers / Jinwei Huang / Ryan S Roark / Mansi Purwar / Younghoon Park / Kasirajan Ayyanathan / Hui Li / John W Carey / Amber Kim / Joyce Park / Madison E McCanna / Ashwin N Skelly / Neethu Chokkalingam / Sinja Kriete / Nicholas Shupin / Alana Huynh / Susanne Walker / Roopak Sadeesh / Niklas Laenger / Jianqiu Du / Jiayan Cui / Ami Patel / Amelia Escolano / Peter D Kwong / Lawrence Shapiro / Gregory R Bowman / Beatrice H Hahn / George M Shaw / David B Weiner / Jesper Pallesen / Daniel W Kulp 要旨: Germline targeting vaccination strategies against highly variable pathogens such as HIV aim to elicit broadly neutralizing antibodies (bnAbs) with particular immunogenetic or structural features. The ...Germline targeting vaccination strategies against highly variable pathogens such as HIV aim to elicit broadly neutralizing antibodies (bnAbs) with particular immunogenetic or structural features. The V2 apex of the HIV Env protein is a promising target for a class of bnAbs that contain conserved structural motifs in the heavy chain complementarity determining region 3 (CDRH3). Here, we show that these structural motifs are targetable by vaccination by characterizing V2 apex 'axe-like' CDRH3s in the human repertoire and developing new immunogens capable of engaging them. We determined the frequency and diversity of axe-like CDHR3s in healthy human donors using a series of structural informatics approaches, finding these precursors in nearly 90% of donors. Axe-targeting immunogens based on the HIV Env Q23.17 bound axe-like precursors in cryo-EM structures, induced V2 apex-specific antibody responses in humanized mice, and induced axe-like heterologous neutralizing antibodies in rhesus macaques infected with a germline-targeted simian-human immunodeficiency virus. These results illustrate a new structure-guided immunoinformatic vaccine design paradigm that can be employed to elicit immunogenetically diverse yet structurally conserved classes of antibodies. SIGNIFICANCE STATEMENT: Many broadly neutralizing antibodies (bnAbs) utilize modes of epitope recognition dominated by the antibody complementarity determining region 3 (CDRH3). The CDRH3 is the most ...SIGNIFICANCE STATEMENT: Many broadly neutralizing antibodies (bnAbs) utilize modes of epitope recognition dominated by the antibody complementarity determining region 3 (CDRH3). The CDRH3 is the most diverse part of the antibody, posing a challenge for germline targeting vaccine designs that aim to elicit antibodies with particular immunogenetic features. Vaccine design strategies that accommodate CDRH3 variability are therefore needed. Many HIV Env V2 apex bnAbs share "axe-like" CDRH3 microfolds that arise from diverse immunogenetic origins. Here we determined the frequency in humans of B cells with such CDRH3 topologies and designed immunogens to engage their precursors. This work opens a path toward vaccines that engage specific structural classes of B cells, thereby advancing the rational design of immunogens for HIV and other pathogens. | ||||||||||||||||||||||||
| 履歴 |
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構造の表示
| 構造ビューア | 分子: Molmil Jmol/JSmol |
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ダウンロードとリンク
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ダウンロード
| PDBx/mmCIF形式 | 9dim.cif.gz | 465.7 KB | 表示 | PDBx/mmCIF形式 |
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| PDB形式 | pdb9dim.ent.gz | 表示 | PDB形式 | |
| PDBx/mmJSON形式 | 9dim.json.gz | ツリー表示 | PDBx/mmJSON形式 | |
| その他 | その他のダウンロード |
-検証レポート
| 文書・要旨 | 9dim_validation.pdf.gz | 3.4 MB | 表示 | wwPDB検証レポート |
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| 文書・詳細版 | 9dim_full_validation.pdf.gz | 3.4 MB | 表示 | |
| XML形式データ | 9dim_validation.xml.gz | 74 KB | 表示 | |
| CIF形式データ | 9dim_validation.cif.gz | 112.4 KB | 表示 | |
| アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/di/9dim ftp://data.pdbj.org/pub/pdb/validation_reports/di/9dim | HTTPS FTP |
-関連構造データ
| 関連構造データ | ![]() 46914MC ![]() 9dhwC M: このデータのモデリングに利用したマップデータ C: 同じ文献を引用 ( |
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| 類似構造データ | 類似検索 - 機能・相同性 F&H 検索 |
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リンク
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集合体
| 登録構造単位 | ![]()
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要素
-タンパク質 , 2種, 6分子 ACGBDI
| #1: タンパク質 | 分子量: 52753.762 Da / 分子数: 3 / 由来タイプ: 組換発現 由来: (組換発現) ![]() Human immunodeficiency virus 1 (ヒト免疫不全ウイルス)遺伝子: env / 細胞株 (発現宿主): HEK293F / 発現宿主: Homo sapiens (ヒト) / 参照: UniProt: O55774#2: タンパク質 | 分子量: 17329.604 Da / 分子数: 3 / 由来タイプ: 組換発現 由来: (組換発現) ![]() Human immunodeficiency virus 1 (ヒト免疫不全ウイルス)遺伝子: env / 細胞株 (発現宿主): HEK293F / 発現宿主: Homo sapiens (ヒト) / 参照: UniProt: O55774 |
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-抗体 , 2種, 4分子 MENF
| #3: 抗体 | 分子量: 26170.533 Da / 分子数: 2 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 細胞株 (発現宿主): HEK293F / 発現宿主: Homo sapiens (ヒト)#4: 抗体 | 分子量: 23318.824 Da / 分子数: 2 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 細胞株 (発現宿主): HEK293F / 発現宿主: Homo sapiens (ヒト) |
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-糖 , 8種, 48分子 
| #5: 多糖 | alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-3)-[alpha-D- ...alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | ||||||||||||
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| #6: 多糖 | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose #7: 多糖 | beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta- ...beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose #8: 多糖 | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta- ...2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose | #9: 多糖 | alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)-[alpha-D- ...alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | #10: 多糖 | #11: 多糖 | beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1- ...beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose | #12: 糖 | ChemComp-NAG / |
-詳細
| 研究の焦点であるリガンドがあるか | N |
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| Has protein modification | Y |
-実験情報
-実験
| 実験 | 手法: 電子顕微鏡法 |
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| EM実験 | 試料の集合状態: PARTICLE / 3次元再構成法: 単粒子再構成法 |
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試料調製
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| 分子量 | 実験値: NO | ||||||||||||||||||||||||
| 由来(天然) |
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| 由来(組換発現) |
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| 緩衝液 | pH: 7.6 / 詳細: 1X PBS | ||||||||||||||||||||||||
| 試料 | 濃度: 0.07 mg/ml / 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES | ||||||||||||||||||||||||
| 試料支持 | グリッドの材料: GOLD / グリッドのサイズ: 300 divisions/in. / グリッドのタイプ: Au-flat 1.2/1.3 | ||||||||||||||||||||||||
| 急速凍結 | 装置: FEI VITROBOT MARK IV / 凍結剤: ETHANE / 湿度: 100 % / 凍結前の試料温度: 298 K |
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電子顕微鏡撮影
| 実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |
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| 顕微鏡 | モデル: TFS KRIOS |
| 電子銃 | 電子線源: FIELD EMISSION GUN / 加速電圧: 300 kV / 照射モード: FLOOD BEAM |
| 電子レンズ | モード: BRIGHT FIELD / 最大 デフォーカス(公称値): 2500 nm / 最小 デフォーカス(公称値): 500 nm |
| 撮影 | 電子線照射量: 40 e/Å2 フィルム・検出器のモデル: GATAN K3 BIOQUANTUM (6k x 4k) |
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解析
| EMソフトウェア | 名称: cryoSPARC / カテゴリ: 3次元再構成 |
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| CTF補正 | タイプ: NONE |
| 対称性 | 点対称性: C1 (非対称) |
| 3次元再構成 | 解像度: 3.19 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 150988 / 対称性のタイプ: POINT |
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万見について





Human immunodeficiency virus 1 (ヒト免疫不全ウイルス)
Homo sapiens (ヒト)
米国, 1件
引用


PDBj






FIELD EMISSION GUN